ASTM E159
Standard Test Method for Loss of Mass in a Reducing Gas Atmosphere for Cobalt, Copper, Tungsten, and Iron Powders (Hydrogen Loss)
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About This Item
ASTM E159 is the ASTM standard that covers a test method for measuring loss of mass in a reducing gas atmosphere for cobalt, copper, tungsten, and iron powders. It is commonly used to help evaluate how these powders behave during exposure to hydrogen-based reduction conditions, supporting consistent testing and product assessment. For buyers and technical teams, this standard offers a clear reference for comparing powder performance and maintaining quality control in material specifications.
Purpose of ASTM E159
The purpose of this standard is to provide a defined test method for determining mass loss when specific metal powders are exposed to a reducing gas atmosphere. As indicated by the title, ASTM E159 focuses on cobalt, copper, tungsten, and iron powders and the hydrogen loss test concept. This makes it useful when a uniform laboratory procedure is needed to assess powder response under reducing conditions and to support repeatable results across materials, suppliers, and test programs.
Common use cases of ASTM E159
ASTM E159 is commonly referenced in powder metallurgy and related material testing workflows where cobalt, copper, tungsten, or iron powders must be evaluated under reducing gas exposure. It may be used in laboratory quality control, incoming material verification, product development, and specification compliance checks. The standard is especially relevant when comparing lots of powder or documenting behavior during hydrogen reduction testing as part of routine technical review.
Why ASTM E159 matters
This standard matters because mass-loss testing can help create a consistent basis for evaluating powder quality and process behavior. By using ASTM E159, organizations can improve comparability between test results, reduce ambiguity in procurement or specification language, and support more reliable acceptance decisions. It also helps limit risk by providing a recognized method for checking whether these powders respond as expected in a reducing gas atmosphere.
- Test method for powder mass loss in reducing gas
- Applies to cobalt, copper, tungsten, and iron powders
- Supports laboratory consistency and repeatability
- Useful for quality control and material evaluation
- Helps align testing with a recognized ASTM reference
- Publication Date: 2022-09-21
- Publisher: ASTM
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